Look sharp

sprout but never to flower(corn which does not bear grain)

Speak in a mild tone

Meng Sha LAN Ting

Trees around the tomb have grown very large.

Famous officials and great ministers

Take instant advantage of an opportunity that comes only once in a long while

flirtatious(fascinate somebody by flirting glances)

Smart words

A timber (lumber) is as straight as a straightened line made by a carpenter's ink marker.

Confused and confused

argue pointlessly

a talent commanding deep reverence among the people

nip trouble in the bud

wear oneself out from head to foot to help others

Loud and strong

Act like a fool

a body of wood and a heart of stone

Not know what course to take

bitter hatred(mortal foe)